Correct Answer: D [Ministry of Human Resources Development]
The Union Ministry of Human Resources Development (HRD) has launched a Digital Signature campaign on Constitution Day affirming faith in Indian Constitution and to generate awareness on fundamental duties enshrined in the Constitution. People can join the campaign by filling a form online. The Constitution Day is celebrated every year in India on 26 November to commemorate the adoption of Constitution of India. On this day in 1949, the Constituent Assembly of India adopted the Constitution of India, and it came into effect on 26 January 1950.